<?php
// define array
//$data['username']['itbs'][205] = 'john';
//$data['username']['itbs'][206] = 'maria';
//print_r($data);
//$data['username']['itbs'] = 'john';

//$data['password'][1.2] = '123456';
//$data['password'][1.3] = 'qwerty';
//$data['password'][1.4] = 'QWERTY';
//$data['password'][][] = 'Hello';
//print_r($data);
//echo count($data);
//exit;

$arr = array("lang"=>array(
                'cms'=>array(0=>'joomla')
              ));

echo $arr['lang']['cms'][0];
